« previous next »
Pages: [1]   Go Down

Author Topic: SG3525 Oscilator current  (Read 395 times)

0 Members and 1 Guest are viewing this topic.

Offline aless2056Topic starter

  • Contributor
  • Posts: 35
  • Country: br
SG3525 Oscilator current
« on: May 30, 2021, 03:21:59 pm »
Guys, just to be sure, since I'm not very familiar with the datasheet.

Is the SG3525's oscillator current 5ma? Esyou thinking of using an AD5220 as RT, the maximum current of the variable resistance is 20mA?
Logged
 

Online T3sl4co1l

  • Super Contributor
  • ***
  • Posts: 21688
  • Country: us
  • Expert, Analog Electronics, PCB Layout, EMC
    • Seven Transistor Labs
Re: SG3525 Oscilator current
« Reply #1 on: May 30, 2021, 03:47:27 pm »
Even easier, just use a variable current sink.  It doesn't need to be a resistor.

Tim
Logged
Seven Transistor Labs, LLC
Electronic design, from concept to prototype.
Bringing a project to life?  Send me a message!
 

Offline aless2056Topic starter

  • Contributor
  • Posts: 35
  • Country: br
Re: SG3525 Oscilator current
« Reply #2 on: May 30, 2021, 04:27:47 pm »
I will use the AD5220 with RT and the CT will be a fixed value capacitor. I will use the AD5220 to vary the frequency of the PWM
Logged
 
Pages: [1]   Go Up
« previous next »

Share me

Digg  Facebook  SlashDot  Delicious  Technorati  Twitter  Google  Yahoo
Smf

 


EEVblog Main Site EEVblog on Youtube EEVblog on Twitter EEVblog on Facebook EEVblog on Odysee